3x+9x+7x+5x=

Question

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Answer 1

 

Find similar terms and factor the X and placed it outside the Parenthesis and then add the numeric:

3x, 9x, 7x, and 5x --->> X( 3+9+7+5) ==>>X(24) ==>> 24X

Answer 2

Each term (3x, 9x, 7x, and 5x) has an x which means they are all "like terms."

When we have "like terms" added together as in this question, we add the coefficients (3 + 9 + 7 + 5).

3 + 9 + 7 + 5 = 24

3x + 9x + 7x + 5x = 24x

Answer 3

3x+9x+7x+5x=

Since all the terms are "like" terms, you can add the numbers together, 3+9+7+5 (I do this by combining the 7+3 to make 10, then combine 9+5 to make 14, lastly add the two sums together - 10+14=24).  So the sum of the 4 numbers is 24 and they still need the x, so 3x+9x+7x+5x = 24x. 

Hope this helps!

Answer 4

Easy.  Add like terms (which they all are).  Answer: 24x

Answer 5

First you need to separate similar terms (3*x + 9*x + 7*x + 5*x) and rewrite as (3+9+7+5)*x

We placed the numbers inside the parenthesis and the variable outside of the parenthesis. So anything inside of the parenthesis will be multiplied by x

Inside the parenthesis add together (3+9+7+5)*x and it becomes (24)*x

Remove the parenthesis around factor and the result is 24x